Finding the Third Proportional to 18,483.19 and 37,768.78

Step by Step Solution

1. Step 1: Write the proportion equation
   18,483.19 : 37,768.78 = 37,768.78 : x
2. Step 2: Convert to fraction form
   18,483.19/37,768.78 = 37,768.78/x
3. Step 3: Cross multiply
   18,483.19x = 37,768.78 × 37,768.78
4. Step 4: Simplify right side
   18,483.19x = 1,426,480,837.11
5. Step 5: Solve for x
   x = 1,426,480,837.11/18,483.19
6. Step 6: Final answer
   x = 77,177.21